#include <fstream>

using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int v[100005],s[100005];
int p(int i)
{
    if(i==v[i])
        return i;
    return v[i]=p(v[i]);
}
void comb(int a, int b)
{
    a=p(a);
    b=p(b);
    if(s[a]>s[b])
        swap(a,b);
    v[a]=b;
    s[b]+=s[a];
}
int main()
{
    int n,m,x,y,z;
    cin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        v[i]=i;
        s[i]=1;
    }
    for(int i=1;i<=m;i++)
    {
        cin>>x>>y>>z;
        if(x==1)
            comb(y,z);
        else
        {
            if(p(y)==p(z))
                cout<<"DA\n";
            else
                cout<<"NU\n";
        }
    }
    return 0;
}